Although not precise, generally speaking the great plains extend from the rio grand river in the south into canada in the north, and from what is not central texas and oklahoma and eastern kansas in the east to the in the west.

a. the man as a ruler

the direction of the magnetic field produced by an electric current will change when the direction of the electric current changes. for example : if a current is flowing in a straight length of wire, the magnetic field is described by a concentric circle (using right-hand rule).

by explaining that it took the same total time to travel by plane as it did by train

i believe the dynamic character would be teddy because he learns an important lesson